6684274686 has 16 divisors (see below), whose sum is σ = 13453701264. Its totient is φ = 2213899584.

The previous prime is 6684274657. The next prime is 6684274687. The reversal of 6684274686 is 6864724866.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684274687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3546975 + ... + 3548858.

It is an arithmetic number, because the mean of its divisors is an integer number (840856329).

Almost surely, 2^6684274686 is an apocalyptic number.

6684274686 is an abundant number, since it is smaller than the sum of its proper divisors (6769426578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6684274686 is a wasteful number, since it uses less digits than its factorization.

6684274686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095995.

The product of its digits is 18579456, while the sum is 57.

The square root of 6684274686 is about 81757.4136454915. The cubic root of 6684274686 is about 1883.7275791528.

The spelling of 6684274686 in words is "six billion, six hundred eighty-four million, two hundred seventy-four thousand, six hundred eighty-six".